As you can see. There is no "å" here: http://www.ascii-codes.com/cp852.html
Is there a (hopefully non-invasive) method for me to insert it? (crtl+V does not count.)
As you can see. There is no "å" here: http://www.ascii-codes.com/cp852.html
Is there a (hopefully non-invasive) method for me to insert it? (crtl+V does not count.)
If you use Polish (214) keyboard layout: AltGr+5a or equivalent Ctrl+Alt+5a.
Explanation: AltGr or equivalent Ctrl+Alt activates hidden dead keys (in orange on next picture):
Why DavidPostill's answer does not work for you although works for him:
You could still take advantage from Windows Alt+0x codes: if you switch keyboard layout to any of US & Western Eu or Baltic or Turkic or Vietnamese input method, then Alt+0229 would produce å Latin Small Letter A With Ring Above.
This would work even in cmd regardless of currently active code page chcp.
Assuming the code page is 852, as referenced in your link, you can use Alt+134 to type the å character.
Example in a cmd shell: